Life Science Midterm Crossword

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Across
  1. 2. An action or condition that provokes a response
  2. 3. What something does
  3. 4. Ability of the system to do work
  4. 11. A chemical reaction in plants that produces oxygen and sugar
  5. 15. Process of increasing in size
  6. 17. Only one cell
  7. 18. Having characteristics that allow specific functions
  8. 21. Process where organisms produce offspring
  9. 22. Colorful leaf-like structures
  10. 23. Process by which a population becomes better suited to its environment
  11. 25. What a plant or animal does
  12. 28. Self contained living thing
  13. 29. An input that enters the body through nose and mouth
  14. 30. The organ that serves as the primary control center
  15. 31. Lets objects in and out of the cell
  16. 32. A collection of similar tissues joined together to create a structure
  17. 34. A factor that can either be biotic or abiotic
  18. 35. A sugar produced in plants during photosynthesis
  19. 38. An input that enters the body through the skin and ears
  20. 40. A mass of similar cells coming together to perform a function
  21. 41. An input that enters the body using waves through the eyes
  22. 42. More than one cell
Down
  1. 1. Microscopic plants that live in aquatic environments and perform photosynthesis
  2. 2. A type of receptor that sends signals to the central nervous system when it is stimulated
  3. 5. A type of cell specialized for transmitting fast electrochemical signals
  4. 6. Helps plants to absorb energy from the sun as they undergo the process of photosynthesis.
  5. 7. Part of flower that contains stigma, style, ovary
  6. 8. Part of flower that contains the pollen
  7. 9. An organism too small to be seen with the naked eye
  8. 10. The basic structural and functional unit of living organisms
  9. 11. A product produced at the end of a chemical reaction
  10. 12. A self-contained system within a larger system
  11. 13. Process of fertilizing flowers by transferring pollen
  12. 14. A structure inside a cell that performs a specialized function
  13. 16. Reproductive organ that produces the egg
  14. 19. The organelle where photosynthesis takes place
  15. 20. The organelle that functions in energy production
  16. 24. Gives plant cells structure
  17. 26. Coarse particles that spread flowers and seeds of plants
  18. 27. A reaction in which one substance changes into a different one
  19. 33. A substance that undergoes a change in a chemical reaction
  20. 35. A factor resulting from different alleles carried by an individual
  21. 36. Part of flower that contains anther and filament
  22. 37. A group of interacting elements forming a complex whole
  23. 39. The control center of the cell